As of 1:19 PM MDT on April 1, 2025, out of 4 cities in Granite County, MT in our database, 3 cities (75%) have a UV Index reading of Moderate, while 1 city (25%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Philipsburg, MT with a reading of 2.6.
Over the next 24 hours, the highest UV Index reading in Granite County, MT is expected to be 3.2 in Maxville between 12:00 PM - 1:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |